This quiz works best with JavaScript enabled. Home > Class 10 > Class 10 Science Chapter 7 Control And Coordination – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 10 Science Chapter 7 Control And Coordination Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Branch-like extensions of the neuron that receive chemical messages and carry them to the cell body. A) Dendrites. B) Neurons. C) Nerves. D) Spinal Cord. Show Answer Correct Answer: A) Dendrites. 2. Identify which of the following statements about thyroxin is incorrect? A) Thyroid gland requires iodine to synthesize thyroxin. B) Thyroxin is also called thyroid hormone. C) It regulates protein, carbohydrates and fat metabolism in the body. D) Iron is essential for the synthesis of thyroxin. Show Answer Correct Answer: D) Iron is essential for the synthesis of thyroxin. 3. Which hormone is known as the 'fight or flight' hormone?answer choices A) GROWTH HORMONE. B) ADRENALINE. C) OESTROGEN. D) ANTIDURETIC HORMONE. Show Answer Correct Answer: B) ADRENALINE. 4. All chemical reactions in living cells are controlled by ..... that are sensitive to surrounding changes. A) Brain. B) Nerve. C) Fluids. D) Enzymes. Show Answer Correct Answer: D) Enzymes. 5. The system of the body that carries information to all parts of the body. A) Nervous system. B) Spinal Cord. C) Neuron. D) Brain. Show Answer Correct Answer: A) Nervous system. 6. What does 'hydrotropism' mean? A) Growth towards chemicals. B) Growth towards light. C) Growth towards gravity. D) Growth towards water. Show Answer Correct Answer: D) Growth towards water. 7. In a reflex action, the pathway taken by nerve impulses is known as the: A) Reflex arc. B) Neural circuit. C) Feedback loop. D) Synaptic pathway. Show Answer Correct Answer: A) Reflex arc. 8. Which of the following hormones is responsible for the 'fight or flight' response? A) Insulin. B) Adrenaline. C) Thyroxine. D) Cortisol. Show Answer Correct Answer: B) Adrenaline. 9. Fight and flight harmon ..... A) Endocrine gland. B) Pituitary gland. C) Liver liver. D) Adrenal gland adrenal gland. Show Answer Correct Answer: D) Adrenal gland adrenal gland. 10. What is the role of the myelin sheath in the nervous system? A) Transmit electrical signals. B) Protect neurons from damage. C) Insulate axons to speed up signal transmission. D) Store neurotransmitters. Show Answer Correct Answer: C) Insulate axons to speed up signal transmission. 11. Which of the following is male sex hormone? A) Estrogen. B) Adrenaline. C) Testosterone. D) Progesterone. Show Answer Correct Answer: C) Testosterone. 12. What type of receptors detect taste? A) Olfactory receptors. B) Photoreceptors. C) Gustatory receptors. D) Thermoreceptors. Show Answer Correct Answer: C) Gustatory receptors. 13. Hormones are part of the A) Endocrine system. B) Central nervous system. C) The body. D) The body. Show Answer Correct Answer: A) Endocrine system. 14. A part of the body which responds to the in-structions sent from nervous system is called A) Receptor. B) Effector. C) Nerves. D) Muscles. Show Answer Correct Answer: B) Effector. 15. Inhibits cell division A) Abscisic acid. B) Auxin. C) Cytokinins. D) Gibberellin. E) Ethylene. Show Answer Correct Answer: A) Abscisic acid. 16. The growth hormone that is used to speed up the ripening of fruits for export is A) Giberellin. B) Ethylene. C) Cytokinin. D) Auxin. Show Answer Correct Answer: B) Ethylene. 17. A nerve cell is also known as a A) Cerebrum. B) Neuron. C) Cerebellum. D) Nucleus. Show Answer Correct Answer: D) Nucleus. 18. BRAIN IS SURROUNDED BY ..... LAYERS. A) CARPUS CALLOSUM. B) MENINGES. C) SPINALCORD. D) ALL TGE ABOVE. Show Answer Correct Answer: B) MENINGES. 19. There Are Five Types Of Movement In Plants A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 20. The location of the adrenal gland is ..... A) In the mind. B) In the throat. C) In the kidneys. D) In the pancreas. Show Answer Correct Answer: C) In the kidneys. 21. Which part of the brain is responsible for coordinating voluntary movements? A) Cerebellum. B) Medulla. C) Hypothalamus. D) Thalamus. Show Answer Correct Answer: A) Cerebellum. 22. When a person is suffering from severe cold, he or she cannot- A) A) Differentiate the taste of an apple form that of an ice-cream. B) B) Differentiate red light from green light. C) C) Differentiate a hot object form a cold object. D) D) Differentiate the smell of a perfume form that of an agarbatti. E) Ans. (d) Differentiate the smell of a perfume form that of an agarbatti. Show Answer Correct Answer: D) D) Differentiate the smell of a perfume form that of an agarbatti. 23. Where in the nephron are all small molecules removed from the blood? A) Collecting duct. B) Loop of Henle. C) Bowman's capsule. D) Convoluted tubule. Show Answer Correct Answer: C) Bowman's capsule. 24. INTEGRAL PART OF BRAIN THAT CONTROLS EMOTIONS ..... A) Deenalon. B) CEREBRUM. C) CEREBELLUM. D) Spinal ablongate. Show Answer Correct Answer: A) Deenalon. 25. The hormone secreted by parathyroid gland regulates the level of ..... in blood. A) RBC AND WBC. B) Sugar and fats. C) Calcium and phosphates. D) Protein. Show Answer Correct Answer: C) Calcium and phosphates. ← PreviousNext →Related QuizzesClass 10 Science Chapter 7 Control And Coordination Quiz 1Class 10 Science Chapter 7 Control And Coordination Quiz 2Class 10 Science Chapter 7 Control And Coordination Quiz 3Class 10 Science Chapter 7 Control And Coordination Quiz 4Class 10 Science Chapter 7 Control And Coordination Quiz 6Class 10 Science Chapter 7 Control And Coordination Quiz 7Class 10 Science Chapter 7 Control And Coordination Quiz 8Class 10 Science Chapter 7 Control And Coordination Quiz 9Class 10 Science Chapter 7 Control And Coordination Quiz 10Class 10 Science Chapter 7 Control And Coordination Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books